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I want to change all the belt of my car because of 72000 milage and preventive maintenance.
By this way I found out that the belt tensioner for the climate compressor is missing.
It is a second hand car and I don't know what the pre owner did. When I look at the mounting point for the tensioner, then it look like that there was never a bolt in.
I dont know how they got the belt on.
So it look like that I have to buy the tensioner,

Thanks for the link, when I look to the second pdf down the last picture I can see the belt tensioner, maybe for the model later they installed it.

I think BMW re-uses pictures from different cars in the TIS. The first and second PDF look like completely different motors. Maybe send brown370 a PM since it looks like he has changed these belts a few times.

You will need a sepentine belt tool w/ a large Torx socket T-55. To remove the sepentine belt first (lest than 10 minutes) Take a picture of the belt before removing it so you know how it goes back on.
Jack up the car and remove the front underbody cover. You use a towel to remove the A/C compressor belt while turning the crank/engine. One you remove the old A/C belt, put the new belt over the crank first, and then install it on the bottom of the A/C compressor and install the tool pictured on the A/C compressor pulley. Turn the crank clockwise keeping the belt tight and the tool will pop the belt on. I had to do it twice because the belt ribs did not line up the first time.

I am fighting installation of the AC belt. I made a tool to hold the belt and turn the crank over similar to the tool shown in the prior post. Even with my home made tool I am having difficulty.
I need to break down and buy the proper BMW tool to install the AC belt. I cannot find the part number for the AC belt installation tool.
Does anyone know the part number for this tool or where to find it?

i had the same problem bro my climate belt cut while driveing i took it to a random independent shop to replace the belt the mechanic told me my tenssioner is misssing but i took it to bmw technition he told me that this cars dont have tenssioner but not any mechanic can replace it the mechanic needs to have this special tool to install the belt so so if i were you ide take it to a bmw specialist shop

Hey guys. I know this is an old thread, but I thought I would add a little update. The belts used by BMW are manufactured by ContiTech so you can replace them with either BMW branded belts or the Continental ContiTech ones.

I know this is an old thread and you 6er's may already have this info someplace, but while searching I ran across this thread & thought I'd share.
These are the parts I used on my N62TU to upgrade with an A/C belt with tensioner.

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The early bird may get the worm, but the second mouse gets the cheese.

The spongee belts are now quite common in many cars.
These belts are designed to be used without tensioners.
They are a bit different to get on and off but now that I have done a few, I kind of like them.
I would have no reason to change to a belt with tensioner.

The spongee belts are now quite common in many cars.
These belts are designed to be used without tensioners.
They are a bit different to get on and off but now that I have done a few, I kind of like them.
I would have no reason to change to a belt with tensioner.

Have you used this tool on BMW vehicles?

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The early bird may get the worm, but the second mouse gets the cheese.

No I have not seen this one. Looks like a great tool if it works as shown.
I bought the actual BMW tool to install on my 650 and a generic over the belt and attach to the pulley tool for my wifes Lincoln. I especially like that this has a removal tool as I do not like cutting the old belt off.
Good find, maybe someone else can use this on BMW.